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(this == null) in C#!
...such method, and even comparing this to null is valid. The error is in the base init line: it is the attempt to pass instance-bounded delegate as a parameter to the base ctor. This is the bug (a hole in sematic checks) in the compiler: it should NOT be possible. You are not allowed to write : base(C...
Which way is best for creating an object in JavaScript? Is `var` necessary before an object property
...
There is various way to define a function. It is totally based upon your requirement. Below are the few styles :-
Object Constructor
Literal constructor
Function Based
Protoype Based
Function and Prototype Based
Singleton Based
Examples:
Object constructor
var person = ne...
How do you express binary literals in Python?
...nteger in most cases) - just pass int the string of zeros and ones and the base you are converting from (2):
>>> int('010101', 2)
21
You can optionally have the 0b or 0B prefix:
>>> int('0b0010101010', 2)
170
If you pass it 0 as the base, it will assume base 10 if the string ...
How can you program if you're blind?
...e student who’s had several programming internships so my answer will be based off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my...
Difference between web reference and service reference?
...rs indicate that it is only ASMX, but Web References can also talk to Java-based Web Services or Python-based or Ruby so long as they all talk WSDL and conform to the WS-I interoperability standard).
A Service Reference will create a client proxy class that communicates with a WCF-based service : r...
Python: Why is functools.partial necessary?
.....:
>>> import functools
>>> f = functools.partial(int, base=2)
>>> f.args
()
>>> f.func
<type 'int'>
>>> f.keywords
{'base': 2}
>>>
functools.partial's returned function is decorated with attributes useful for introspection -- the func...
What to gitignore from the .idea folder?
...ecent alternative. There is an online tool that generates .gitignore files based on operating systems, IDEs and programming languages that you might be using.
gitignore.io
EDIT Disclaimer: Do not copy this file, copy the file generated by the website instead, they do a good job on keeping it upd...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts Avenue, Cambridge, MA 02139, USA
ABSTRACT
MIT App Inventor is a block-based event-driven programming tool that allows everyone, especially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has l...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts Avenue, Cambridge, MA 02139, USA
ABSTRACT
MIT App Inventor is a block-based event-driven programming tool that allows everyone, especially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has l...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts Avenue, Cambridge, MA 02139, USA
ABSTRACT
MIT App Inventor is a block-based event-driven programming tool that allows everyone, especially novices, to start programming and building fully functional apps for Android devices. Compared to traditional text programming with Android Studio, it has l...